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SYLGARD™ 528 Firm Gel Kit

  • Technology: Two-part, addition-cure silicone gel
  • Brand Name: SYLGARD™ 528 Firm Gel Kit
  • Manufacturer: Dow
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: 9 months

1. Product Overview

SYLGARD™ 528 Firm Gel Kit is a two-part, clear, 1:1 mix ratio, firm gel designed for electronic protection applications. It offers a long working time, low viscosity for easy processing, and mechanical strength for added durability. The gel can be heat-cured, provides strong adhesion, and offers improved dimensional stability.

2. Applications

  • Sealing and protecting PCB assemblies
  • Suitable for applications requiring stronger adhesion and dimensional stability
  • Used for stress relief to protect circuits and interconnections from thermal and mechanical stresses
  • Can be applied in thick layers for complete encapsulation of delicate components
  • Utilized in optoelectronics due to its high refractive index and stress-relieving properties

3. Typical Properties

Property Unit Part A (Base) Part B (Catalyst) Mixed
Mix Ratio 1 1 1:1
Viscosity cP (mPa·s) 450 325 400
Pot Life (25°C) hr 6.4
Durometer Hardness Shore 00 40
Shelf Life (25°C) months 9 9

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